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20789 Hughgrant (2000 SU44)
Classification: Main-belt Asteroid          SPK-ID: 2020789
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412484521828861 1.2134e-07  
a 2.55213950542345 1.9413e-08 AU
q 1.936439799985246 3.1478e-07 AU
i 9.76695184656937 9.1308e-06 deg
node 66.45811559047928 2.9628e-05 deg
peri 14.43242671559099 3.2268e-05 deg
M 176.7115346656709 1.1744e-05 deg
tp 2456269.499894031218
(2012-Dec-07.99989403)
4.5535e-05 JED
period 1489.206908007713
4.08
1.6992e-05
4.652e-08
d
yr
n .2417394104635295 2.7583e-09 deg/d
Q 3.167839210861654 2.4097e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      22784 days (62.38 yr)  
   first obs. used      1952-01-31  
   last obs. used      2014-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51417  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:35:04  

Additional Information
 Earth MOID = .953235 AU 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO302192  

20789 Hughgrant           Discovered 2000 Sept. 28 by C. W. Juels at Fountain Hills.
Hugh M. Grant (b. 1933) is a retired educator and businessman from Vancouver and a member of the Royal Astronomical Society of Canada. He recently completed construction of a roll-off roof observatory at his winter home in Fountain Hills, Arizona.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2000 SU44 = 1952 BA2 = 1989 FD1 = 1994 LE7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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